Flags for many countries are missing in the README.md

[TVKaista]

Flag in README.md status:

• [ ] albania
• [x] andorra
• [x] argentina
• [x] australia
• [x] austria
• [ ] azerbaijan
• [x] belarus
• [x] belgium
• [ ] bosnia_and_herzegovina
• [x] brazil
• [ ] bulgaria
• [x] canada
• [ ] chad
• [x] china
• [x] costa_rica
• [x] croatia
• [ ] cyprus
• [x] czech_republic
• [x] denmark
• [x] dominican_republic
• [x] estonia
• [ ] faroe_islands
• [x] finland
• [x] france
• [x] georgia
• [x] germany
• [x] greece
• [ ] greenland
• [ ] hong_kong
• [x] hungary
• [x] iceland
• [x] india
• [x] iran
• [x] iraq
• [x] ireland
• [x] israel
• [x] italy
• [x] japan
• [x] korea
• [x] kosovo
• [ ] latvia
• [x] lithuania
• [ ] luxembourg
• [ ] macau
• [x] malta
• [x] mexico
• [ ] moldova
• [ ] monaco
• [x] montenegro
• [x] netherlands
• [x] north_korea
• [x] north_macedonia
• [x] norway
• [x] paraguay
• [x] peru
• [x] poland
• [x] portugal
• [ ] qatar
• [x] romania
• [x] russia
• [x] san_marino
• [x] serbia
• [x] slovakia
• [x] slovenia
• [ ] somalia
• [x] spain
• [ ] spain_vod
• [x] sweden
• [x] switzerland
• [ ] taiwan
• [x] trinidad
• [x] turkey
• [x] uk
• [x] ukraine
• [ ] united_arab_emirates
• [x] usa
• [ ] usa_vod
• [ ] venezuela
• [ ] zz_documentaries_ar
• [ ] zz_movies
• [ ] zz_news_ar
• [ ] zz_news_en
• [ ] zz_news_es
• [ ] zz_vod_it